Weather on May 18
Salem, OR
55 Years of Data
Avg High
68°F
Avg Low
45°F
Warmest
1993
68°F avg
Coldest
1974
47°F avg
About This Date
May 18th in Salem, OR typically brings mild spring weather, with average highs around 68°F and lows near 45°F. Over 55 years of records, the warmest May 18th was in 1993 (68°F average), while the coldest was 1974 (47°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 38% of May 18th dates historically, with the wettest May 18th recording 1.7" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for May 18th in Salem, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 57° | 48° | 53° | — | — |
| 2024 | 63° | 43° | 53° | — | — |
| 2023 | 80° | 53° | 67° | — | — |
| 2022 | 64° | 45° | 54° | 0.41" | — |
| 2021 | 65° | 48° | 56° | — | — |
| 2020 | 60° | 51° | 56° | 1.7" | — |
| 2019 | 71° | 49° | 60° | 1.63" | — |
| 2018 | 70° | 47° | 58° | — | — |
| 2017 | 71° | 38° | 54° | — | — |
| 2016 | 74° | 50° | 62° | — | — |
| 2015 | 77° | 49° | 63° | 0.03" | — |
| 2014 | 65° | 52° | 58° | 0.91" | — |
| 2013 | 60° | 49° | 54° | 0.13" | — |
| 2012 | 66° | 36° | 51° | — | — |
| 2011 | 70° | 46° | 58° | — | — |
| 2010 | 64° | 50° | 57° | 0.36" | — |
| 2009 | 79° | 49° | 64° | 0.43" | — |
| 2008 | 85° | 52° | 68° | — | — |
| 2007 | 71° | 44° | 58° | 0.15" | — |
| 2006 | 85° | 50° | 67° | — | — |
| 2005 | 65° | 50° | 57° | 1.68" | — |
| 2004 | 63° | 53° | 58° | 0.03" | — |
| 2003 | 60° | 34° | 47° | — | — |
| 2002 | 64° | 48° | 56° | 0.05" | — |
| 2001 | 64° | 43° | 53° | — | — |
| 2000 | 73° | 45° | 59° | 0.03" | — |
| 1999 | 61° | 46° | 53° | 0.1" | — |
| 1998 | 66° | 42° | 54° | — | — |
| 1997 | 82° | 45° | 63° | — | — |
| 1996 | 62° | 48° | 55° | 1.09" | — |
| 1995 | 64° | 43° | 53° | — | — |
| 1994 | 67° | 50° | 58° | — | — |
| 1993warmest | 82° | 54° | 68° | — | — |
| 1992 | 76° | 46° | 61° | — | — |
| 1991 | 55° | 46° | 51° | 0.86" | — |
| 1990 | 60° | 45° | 52° | — | — |
| 1989 | 61° | 42° | 51° | 0.08" | — |
| 1988 | 65° | 41° | 53° | 0.05" | — |
| 1987 | 63° | 33° | 48° | — | — |
| 1986 | 70° | 45° | 57° | — | — |
| 1985 | 72° | 46° | 59° | — | — |
| 1984 | 71° | 41° | 56° | — | — |
| 1983 | 69° | 49° | 59° | — | — |
| 1982 | 60° | 41° | 51° | — | — |
| 1981 | 60° | 46° | 53° | 1.35" | — |
| 1980 | 74° | 44° | 59° | — | — |
| 1979 | 72° | 48° | 60° | — | — |
| 1978 | 80° | 44° | 62° | — | — |
| 1977 | 60° | 41° | 51° | — | — |
| 1976 | 66° | 32° | 49° | — | — |
| 1975 | 62° | 46° | 54° | — | — |
| 1974coldest | 55° | 40° | 47° | 0.1" | — |
| 1973 | 76° | 44° | 60° | — | — |
| 1972 | 62° | 44° | 53° | 0.08" | — |
| 1971 | 63° | 36° | 49° | — | — |
55 years of data from SALEM AP (MCNARY FIELD)